活性黑 （KN-B）,产品信息,批发信息...
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活性黑KN-B Reactive Black KN-B
Kidde KN-COPP-B-LPM 美国一氧化碳报警器
kn o b 旋钮
The application and fastness properties of Reactive Black KN-B (C. I. Reactive Black 5) were improved by means of formulation and synergistic technology.
利用染料的复配增效技术，可提高活性黑KN—B的应用性能和牢度性能。
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